A randomized 25 question test from a pool of 761 questions, good luck!
The TCP/IP protocol was designed for simplicity and speed. Which of the OSI layers below does the TCP/IP protocol interact with?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?
With IPv4, you would use static address assignment over dynamic for this primary reason?
Which answer below best represents the number of trunk connections in a standard H1 transmission system junction box with 6 connections available?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input registers would use?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the seamless merging of process control information and managing the business side of production?
Which of the answers below best describes the OSI layers that a Foundation fieldbus H1is not compliant with?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the hub interacts with?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input status would use?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would be responsible for integration of security measures such as encryption?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is a last resort, when no other means of communication is available?
Data communication in a DCS takes the form of various net works. Which of the networks below would connect FCEs, field devices and sensors?
Which of the answers below best describes the number of pins in a standard A USB connector?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
The various DCS networks are vital to any plant or process operating smoothly. Which of the networks below must faster and more reliable than any of the others?
Which of the messaging types below is best described as independent communication with the scanner module initiated by the properly configured field device?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links several smaller area networks together over a wide geographical area.
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as the movement of process conditions from normal to upset, requiring operator action at some point in the future?
A typical DCS has at least four layers in it's architecture. Fieldbus and DeviceNet are all under the direct control of which of the layers below?
IPv4 has several distinct classifications. Looking at the answers below, choose the one that contains all of the classifications.
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as less than 3-5% of the total amount of alarm that are configured??
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must be TRUE before a device can be activated?